My period was a week late this month and when i got it it was normal for three days then it stopped for a whole day and night then started again but this time it was constant brown discharge and was only getting thicker each day, i'm on my third day with

Common problem: Irregular periods are one of the most common problems obgyns treat. If this is one time problem it usually resolves on its own. If this is a recurring problem you should be evaluated. Infections & hormonal changes can cause spotting. If there is a concern for pregnancy then do a home pregnancy test . There are many options available to help regulate the menstrual cycle. Schedule a visit.